Is Lesser petrosal a branch of?
Correct Answer: Glossopharyngeal nerve
Description: The glossopharyngeal nerve gives the impoant branch-the tympanic branch also called the Jacobson&;s nerve. It leaves the inferior ganglion and enters middle ear through the tympanic canaliculussituated at the bony edge between the jugular foramen and carotid canal. It forms the tympanic plexus over the promontory of the middle ear.The tympanic plexus gives off the lesser petrosal nerve and twigs to tympanic cavity, auditory tube, and mastoid air cells.Reference: Textbook of anatomy, Head neck, and brain, Vishram Singh, 2nd edition, page no.345
Category:
Anatomy
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now